Blame SOURCES/0054-wizard-don-t-work-with-destroyed-widgets.patch

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From 112707bca6fe720422248f74127cf301d0adb799 Mon Sep 17 00:00:00 2001
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From: Jakub Filak <jfilak@redhat.com>
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Date: Thu, 28 Aug 2014 12:22:39 +0200
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Subject: [LIBREPORT PATCH 54/93] wizard: don't work with destroyed widgets
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Related to rhbz#1069917
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Signed-off-by: Jakub Filak <jfilak@redhat.com>
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Conflicts:
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	src/gui-wizard-gtk/wizard.c
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---
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 src/gui-wizard-gtk/wizard.c | 35 ++++++++++++++++++++++++++++-------
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 1 file changed, 28 insertions(+), 7 deletions(-)
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diff --git a/src/gui-wizard-gtk/wizard.c b/src/gui-wizard-gtk/wizard.c
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index caae1d2..71964a9 100644
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--- a/src/gui-wizard-gtk/wizard.c
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+++ b/src/gui-wizard-gtk/wizard.c
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@@ -57,6 +57,7 @@ static char *g_event_selected;
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 static unsigned g_black_event_count = 0;
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 static pid_t g_event_child_pid = 0;
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+static guint g_event_source_id = 0;
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 static bool g_expert_mode;
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@@ -1586,10 +1587,18 @@ static void update_event_log_on_disk(const char *str)
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     dd_close(dd);
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 }
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+static bool cancel_event_run()
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+{
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+    if (g_event_child_pid <= 0)
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+        return false;
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+
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+    kill(- g_event_child_pid, SIGTERM);
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+    return true;
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+}
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+
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 static void on_btn_cancel_event(GtkButton *button)
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 {
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-    if (g_event_child_pid > 0)
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-        kill(- g_event_child_pid, SIGTERM);
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+    cancel_event_run();
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 }
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 static bool is_processing_finished()
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@@ -1987,8 +1996,10 @@ static gboolean consume_cmd_output(GIOChannel *source, GIOCondition condition, g
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                                                                          : _("Processing finished, please proceed to the next step."));
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         }
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-        /*g_source_remove(evd->event_source_id);*/
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+        g_source_remove(g_event_source_id);
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+        g_event_source_id = 0;
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         close(evd->fd);
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+        g_io_channel_unref(evd->channel);
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         free_run_event_state(evd->run_state);
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         strbuf_free(evd->event_log);
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         free(evd->event_name);
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@@ -2085,7 +2096,7 @@ static void start_event_run(const char *event_name)
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     ndelay_on(evd->fd);
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     evd->channel = g_io_channel_unix_new(evd->fd);
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-    /*evd->event_source_id = */ g_io_add_watch(evd->channel,
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+    g_event_source_id = g_io_add_watch(evd->channel,
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             G_IO_IN | G_IO_ERR | G_IO_HUP, /* need HUP to detect EOF w/o any data */
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             consume_cmd_output,
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             evd
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@@ -3368,13 +3379,23 @@ static void init_pages(void)
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 static void assistant_quit_cb(void *obj, void *data)
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 {
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+    /* Suppress execution of consume_cmd_output() */
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+    if (g_event_source_id != 0)
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+    {
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+        g_source_remove(g_event_source_id);
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+        g_event_source_id = 0;
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+    }
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+
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+    cancel_event_run();
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+
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     if (g_loaded_texts)
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     {
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         g_hash_table_destroy(g_loaded_texts);
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         g_loaded_texts = NULL;
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     }
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-    gtk_widget_destroy(GTK_WIDGET(data));
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+    gtk_widget_destroy(GTK_WIDGET(g_wnd_assistant));
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+    g_wnd_assistant = (void *)0xdeadbeaf;
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 }
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 static void on_btn_startcast(GtkWidget *btn, gpointer user_data)
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@@ -3526,13 +3547,13 @@ void create_assistant(GtkApplication *app, bool expert_mode)
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     create_details_treeview();
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-    g_signal_connect(g_btn_close, "clicked", G_CALLBACK(assistant_quit_cb), g_wnd_assistant);
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+    g_signal_connect(g_btn_close, "clicked", G_CALLBACK(assistant_quit_cb), NULL);
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     g_signal_connect(g_btn_stop, "clicked", G_CALLBACK(on_btn_cancel_event), NULL);
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     g_signal_connect(g_btn_onfail, "clicked", G_CALLBACK(on_btn_failed_cb), NULL);
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     g_signal_connect(g_btn_repeat, "clicked", G_CALLBACK(on_btn_repeat_cb), NULL);
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     g_signal_connect(g_btn_next, "clicked", G_CALLBACK(on_next_btn_cb), NULL);
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-    g_signal_connect(g_wnd_assistant, "destroy", G_CALLBACK(assistant_quit_cb), g_wnd_assistant);
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+    g_signal_connect(g_wnd_assistant, "destroy", G_CALLBACK(assistant_quit_cb), NULL);
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     g_signal_connect(g_assistant, "switch-page", G_CALLBACK(on_page_prepare), NULL);
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     g_signal_connect(g_tb_approve_bt, "toggled", G_CALLBACK(on_bt_approve_toggle), NULL);
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-- 
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1.8.3.1
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